Under this model, the hematite formed after water had disappeared ... They compared their hypothesis to the composition of a ...

such as grape agate or hematite. Another way tiny spherules can form is from molten rock that cools rapidly. This process can happen during a meteorite impact, when the heat of the collision ...

Mars turned red from water-induced oxidation, not dry hematite rusting—rewriting planetary history. 9 Eid 2025 dishes you should not miss: One takes over 6 hours to perfect ‘Indian Ocean found ...